The act of covertly approaching somebody from the rear, preferrably while they are bent over, and inserting one's extended middle finger into their exposed anus. Traditionally, the activity is performed quickly, before the target has a chance to clench.

A 2011 national "safe snaping" campaign has fought to bring awareness to the need for using sterilized rubber gloves while performing the act. The campaign was centered on the popular young adult's novel "Cletus the Unicorn and the Unwashable Horn".

Andy was going out of his mind trying to remember where he'd left his wedding ring, when he suddenly remembered snaping Bob the previous evening.

If a chipmunk is snaped in the forest, and nobody else is around to hear it, does the chipmunk make a sound?

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Similar to the phenomenon known as vaping (created by Chinese pharmacist Hon Lik), this is a movement where Hogwarts enthusiasts are addicted to concocting assorted potions in honor of the late Professor Severus Snape.

Adam: Hey, did you see that new potion store that opened up just around the corner? It's right across the street from the Lebanese bakery.
Anita: Yeah, it's great! Now we can keep Snaping all day long while eating knafeh.